Flux-switching type permanent magnet motor with permanent magnet fixing bosses

A technology of fixing the boss and switching the magnetic flux, which is applied to the static parts of the magnetic circuit, the shape/style/structure of the magnetic circuit, etc., can solve the problems of hidden dangers in the normal operation of the motor, difficulty in fixing, and falling off of the motor, and achieve the winding process The effect of reducing difficulty, benefiting efficiency, and reducing the risk of radial shedding

Inactive Publication Date: 2015-05-06
扬州市新港电机有限公司 +1
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Problems solved by technology

[0004] However, in the current proposed flux switching permanent magnet motor, the permanent magnets are all cuboids, and the surface in contact with the stator core is relatively smooth, which is easy to cause sliding in the slot where it is located, is not easy to fix, and may fall off along the radial direction of the motor. Possibility, bring safety hazard to the normal operation of the motor

Method used

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  • Flux-switching type permanent magnet motor with permanent magnet fixing bosses

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Embodiment Construction

[0013] Taking a three-phase stator with twelve slots / rotor with ten poles and permanent magnet fixed bosses as an example, the flux switching type permanent magnet motor, the present invention is as follows: figure 1 As shown, "U" shaped magnetic core 1, permanent magnet 2, stator three-phase concentrated winding 3, first concentrated winding 3a1, second concentrated winding 3b1, third concentrated winding 3c1, fourth concentrated winding 3a2, fifth concentrated Winding 3b2, sixth concentrated winding 3c2, seventh concentrated winding 3a3, eighth concentrated winding 3b3, ninth concentrated winding 3c3, tenth concentrated winding 3a4, eleventh concentrated winding 3b4, twelfth concentrated winding 3c4, rotor core 4 and permanent magnet fixing boss 5.

[0014] The present invention is provided with the rotor iron core 4, the stator iron core that is arranged on the periphery of the rotor iron core 4 with the same core, the stator iron core is provided with several pairs of "U" ...

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Abstract

The invention discloses a flux-switching type permanent magnet motor with permanent magnet fixing bosses and belongs to the technical field of manufacture and applications of motors. The motor is formed by a stator iron core, permanent magnets, an armature winding, a rotor iron core and the permanent magnet fixing bosses; the permanent magnets are fixed on a stator and tangentially magnetize alternately; the permanent magnet fixing bosses are arranged on contact surfaces of the stator iron core and the permanent magnets and towards the permanent magnets; the permanent magnet fixing bosses and the stator iron core are connected into a whole; a groove is formed in the permanent magnet; the size of the groove is matched with that of the permanent magnet fixing bosses. According to the flux-switching type permanent magnet motor with permanent magnet fixing bosses, the installation accuracy of the permanent magnet is greatly improved due to the permanent magnet fixing bosses, falling risks of the permanent magnet along the radial direction of the motor are reduced, and the motor reliability is improved.

Description

technical field [0001] The invention belongs to the technical field of motor manufacturing and its application. Background technique [0002] French scholar E. Hoang first proposed a three-phase 12 / 10 permanent magnet flux switching motor at the EPE conference in 1997. The stator is a "U"-shaped magnetic core with a permanent tangentially alternately magnetized core embedded in the middle. magnet. [0003] As the energy crisis continues to intensify, it has become a worldwide consensus to use permanent magnet excitation instead of electric excitation to save energy consumption. At the same time, since my country is the country with the most abundant rare earth resources in the world, open research and promotion of rare earth permanent magnet motors with new structures can significantly improve the efficiency and power density of the motor, which has important theoretical significance and use value. Especially in the stator permanent magnet motors that have appeared in rece...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/18
CPCH02K1/17
Inventor 花为张淦程明吴虹
Owner 扬州市新港电机有限公司
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